/* Master Software de México - One Page Website */

:root{
  --red:#d90819;
  --red-dark:#a80614;
  --ink:#111827;
  --ink-soft:#374151;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f6f7fb;
  --white:#ffffff;
  --soft-red:#fff1f2;
  --shadow:0 22px 60px rgba(17,24,39,.12);
  --shadow-soft:0 14px 40px rgba(17,24,39,.08);
  --radius:24px;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:"Segoe UI", Arial, Helvetica, sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

.container{
  width:min(1140px, 92%);
  margin:0 auto;
}

/* Header */

.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:linear-gradient(90deg, rgba(229,231,235,.96), rgba(209,213,219,.96));
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(156,163,175,.45);
}

.nav{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}

.brand{
  display:inline-flex;
  align-items:center;
}

.brand-logo{
  width:min(330px, 65vw);
  height:auto;
}

.menu{
  display:flex;
  align-items:center;
  gap:22px;
  font-size:.95rem;
  font-weight:700;
  color:var(--ink-soft);
}

.menu a{
  transition:.2s ease;
}

.menu a:hover{
  color:var(--red);
}

.nav-button{
  color:var(--white) !important;
  background:var(--red);
  padding:11px 18px;
  border-radius:999px;
  box-shadow:0 12px 28px rgba(217,8,25,.22);
}

.nav-button:hover{
  background:var(--red-dark);
}

.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--white);
  cursor:pointer;
}

.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--ink);
  margin:5px auto;
  border-radius:2px;
}

/* Buttons */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 24px;
  border-radius:999px;
  font-weight:800;
  transition:.22s ease;
}

.btn-primary{
  background:var(--red);
  color:var(--white);
  box-shadow:0 16px 34px rgba(217,8,25,.25);
}

.btn-primary:hover{
  background:var(--red-dark);
  transform:translateY(-2px);
}

.btn-outline{
  background:rgba(255,255,255,.08);
  color:var(--white);
  border:1px solid rgba(255,255,255,.24);
}

.btn-outline:hover{
  background:rgba(255,255,255,.16);
}

/* Hero */

.hero{
  position:relative;
  overflow:hidden;
  color:var(--white);
  background:
    radial-gradient(circle at 80% 20%, rgba(217,8,25,.45), transparent 28%),
    radial-gradient(circle at 10% 90%, rgba(255,255,255,.12), transparent 24%),
    linear-gradient(135deg, #111827 0%, #1f2937 42%, #09090b 100%);
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), rgba(0,0,0,.25));
}

.hero-grid{
  position:relative;
  z-index:1;
  min-height:auto;
  padding:2px 0 72px;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:54px;
  align-items:center;
}

.eyebrow,
.section-kicker{
  display:inline-block;
  color:var(--red);
  background:var(--soft-red);
  border:1px solid rgba(217,8,25,.10);
  padding:7px 12px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.08em;
  margin-bottom:16px;
}

.hero .eyebrow{
  color:#fecdd3;
  background:rgba(217,8,25,.15);
  border-color:rgba(255,255,255,.12);
}

.hero h1{
  max-width:860px;
  font-size:clamp(2.35rem, 5vw, 4.7rem);
  line-height:1.03;
  letter-spacing:-.055em;
  margin-bottom:22px;
}

.lead{
  max-width:760px;
  color:rgba(255,255,255,.86);
  font-size:1.15rem;
  margin-bottom:30px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}

.trust-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.trust-bar span{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.13);
  padding:9px 13px;
  border-radius:999px;
  color:rgba(255,255,255,.86);
  font-size:.92rem;
  font-weight:700;
}

.hero-panel{
  background:linear-gradient(180deg, rgba(255,255,255,.11), rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.14);
  border-radius:34px;
  padding:28px;
  box-shadow:0 30px 70px rgba(0,0,0,.24);
}

/* Sections */

section{
  padding:90px 0;
}

.section-light{
  background:var(--white);
}

.section-heading{
  text-align:center;
  max-width:820px;
  margin:0 auto 48px;
}

.section-heading h2,
.intro-grid h2,
.security-box h2,
.contact-card h2{
  font-size:clamp(1.85rem, 4vw, 3rem);
  line-height:1.12;
  letter-spacing:-.035em;
  margin-bottom:14px;
}

.section-heading p,
.intro-grid p,
.security-box p,
.contact-card p{
  color:var(--muted);
  font-size:1.04rem;
}

/* Intro */

.intro-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:42px;
  align-items:center;
}

/* Cards */

.cards-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}

.service-card{
  position:relative;
  overflow:hidden;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow-soft);
  transition:.24s ease;
}

.service-card::after{
  content:"";
  position:absolute;
  right:-50px;
  top:-50px;
  width:130px;
  height:130px;
  background:rgba(217,8,25,.06);
  border-radius:50%;
}

.service-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow);
}

.icon-wrap{
  width:62px;
  height:62px;
  border-radius:18px;
  background:var(--soft-red);
  display:grid;
  place-items:center;
  margin-bottom:18px;
}

.icon-wrap img{
  width:36px;
  height:36px;
}

.service-card h3{
  position:relative;
  z-index:1;
  font-size:1.18rem;
  line-height:1.25;
  margin-bottom:12px;
}

.service-card p{
  position:relative;
  z-index:1;
  color:var(--muted);
}

/* Process */

.process-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}

.process-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow-soft);
}

.step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:58px;
  height:58px;
  border-radius:18px;
  background:var(--ink);
  color:var(--white);
  font-weight:900;
  margin-bottom:18px;
}

.process-card h3{
  font-size:1.24rem;
  margin-bottom:10px;
}

.process-card p{
  color:var(--muted);
}

/* Security */

.security{
  background:linear-gradient(180deg, var(--bg), #fff);
}

.security-box{
  display:grid;
  grid-template-columns:1fr .85fr;
  gap:34px;
  align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:34px;
  padding:38px;
  box-shadow:var(--shadow);
}

.security-box p + p{
  margin-top:14px;
}

.security-visual{
  min-height:320px;
  display:grid;
  place-items:center;
  background:
    radial-gradient(circle at center, rgba(217,8,25,.12), transparent 55%),
    linear-gradient(135deg, #f9fafb, #f3f4f6);
  border:1px solid var(--line);
  border-radius:26px;
  padding:26px;
}

/* Contact */

.contact{
  background:linear-gradient(135deg, #111827, #1f2937 55%, #09090b);
  color:var(--white);
}

.contact-card{
  display:grid;
  grid-template-columns:1fr .9fr;
  gap:34px;
  align-items:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.13);
  border-radius:34px;
  padding:42px;
  box-shadow:0 26px 70px rgba(0,0,0,.24);
}

.contact-card p{
  color:rgba(255,255,255,.78);
}

.contact-actions{
  display:grid;
  gap:12px;
  justify-items:start;
}

.email-link{
  display:inline-flex;
  align-items:center;
  color:var(--white);
  background:var(--red);
  border-radius:999px;
  padding:15px 22px;
  font-weight:900;
  box-shadow:0 16px 34px rgba(217,8,25,.26);
}

.contact-actions span{
  color:rgba(255,255,255,.75);
  font-weight:700;
}

/* Footer */

.site-footer{
  background:#080a10;
  color:rgba(255,255,255,.72);
  padding:24px 0;
  font-size:.92rem;
}

.footer-grid{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}

/* Responsive */

@media (max-width: 980px){
  .menu-toggle{
    display:block;
  }

  .menu{
    position:absolute;
    left:4%;
    right:4%;
    top:78px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    background:var(--white);
    padding:18px;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--shadow);
  }

  .menu.is-open{
    display:flex;
  }

  .menu a{
    padding:12px 10px;
  }

  .nav-button{
    text-align:center;
  }

  .hero-grid,
  .intro-grid,
  .security-box,
  .contact-card{
    grid-template-columns:1fr;
  }

  .hero-grid{
    min-height:auto;
    padding:12px 0 58px;
  }

  .cards-grid{
    grid-template-columns:repeat(2, 1fr);
  }

  .process-grid{
    grid-template-columns:1fr;
  }
}

@media (max-width: 640px){
  section{
    padding:68px 0;
  }

  .brand-logo{
    width:min(270px, 68vw);
  }

  .cards-grid{
    grid-template-columns:1fr;
  }

  .hero-actions{
    flex-direction:column;
  }

  .btn{
    width:100%;
  }

  .hero-panel,
  .security-box,
  .contact-card{
    border-radius:24px;
    padding:24px;
  }

  .footer-grid{
    display:grid;
  }
}